R.J. Brown

Following the subway tunnel collapse, Ruzek and Kidd treat injured passengers and track down the missing offender; Archer and Frost perform a life-saving amputation; Lenox feels the weight of the CPD's hopes as she fights to save one of their own.

Hannah invites Elijah to join her in her quest to complete an assignment, Jessa looks for a job.

Hannah receives some news. Meanwhile, Marnie divulges a secret to Shoshanna. Also, Jessa's boss asks her for a favour.

An adoption case becomes difficult forcing Eddie and Jamie to ask Erin for help while Frank looks into cheating claims among cadets.

Carrie is torn between spending her birthday with her friends and an opportunity to mingle with New York's literati; Mouse tries to impress a Harvard alum; Dorrit looks for a gift for Carrie.

Carrie tries to plan a perfect night with Sebastian; Mouse tries to avoid West; Dorrit seeks love advice from Donna.